eng Science and Education Publishing Biomedicine and Biotechnology 2328-4137 2014-11-19 2 4 60 65 10.12691/bb-2-4-1 BB2014241 article Tarek M Mohamed 1 Ehab Tousson toussonehab@yahoo.com 2 Doha M. Beltagy 3 Ahmed Samy El Said 3 Biochemistry Unit, Chemistry Department, Faculty of Science, Tanta University, Egypt Department of Zoology, Department of Chemistry, Faculty of Science, Tanta University, Egypt Department of Chemistry, Faculty of Science, Damanhour University, Egypt Hyperthyroidism is a relatively prevalent condition, and is one of the most common endocrine problems seen in clinical practice, high serum cholesterol and increased oxidative stress are common associated risk factors of hyperthyroidism. Multivitamin deficiencies in folate and vitamin C are also one of the hyperthyroidism complications. Individually or combined Folic acid and vitamin C were introduced to hyperthyroid induced rats. A relative enhancement in the thyroid hormones with a normal lipid profile was noticed. Previous researches confirmed that the depletion on the lipid in hyperthyroidism will be gained after treatment. http://pubs.sciepub.com/bb/2/4/1/bb-2-4-1.pdf Hyperthyroidism lipid profile cortisol oxidative stress folic acid vitamin C